#ifndef _PCF8574_H_
 #define _PCF8574_H_

#ifdef _PCF8574_C_
  #define _EXT_
#else
  #define _EXT_ extern
#endif

_EXT_ unsigned char pcf8574SetPin(unsigned char ucPin, unsigned char ucState);
_EXT_ unsigned char pcf8574SetPort(unsigned char ucValue);
	
#undef _EXT_
#endif //_PCF8574_H_
